You can use CloudLinux Selector to enable GD extension in PHP via cPanel.
1. Log into your cPanel account.
2. In the Software section, click the Select PHP Version.
3. Click on the Extensions menu.
Note: If the Extensions page shows an error related to the native PHP version, change it to a non-native version first.
4. Tick mark the GD Once enabled, it will display a success message.
The message will read that the module GD is saved.
*Currency rates are update daily and it may not match your bank rates
*Prices are with highest discount and VAT is excluded